Malware Analysis Report

2024-12-07 04:12

Sample ID 241111-m1n8cayeqc
Target b0c6c95f457cadb2cee6e8b25745018d49afcf5579d2b0271d6fb85eddb4a238
SHA256 b0c6c95f457cadb2cee6e8b25745018d49afcf5579d2b0271d6fb85eddb4a238
Tags
healer redline ruma discovery dropper evasion infostealer persistence trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

b0c6c95f457cadb2cee6e8b25745018d49afcf5579d2b0271d6fb85eddb4a238

Threat Level: Known bad

The file b0c6c95f457cadb2cee6e8b25745018d49afcf5579d2b0271d6fb85eddb4a238 was found to be: Known bad.

Malicious Activity Summary

healer redline ruma discovery dropper evasion infostealer persistence trojan

Healer family

Modifies Windows Defender Real-time Protection settings

RedLine

Detects Healer an antivirus disabler dropper

RedLine payload

Healer

Redline family

Windows security modification

Executes dropped EXE

Adds Run key to start application

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-11 10:56

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-11-11 10:56

Reported

2024-11-11 10:58

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b0c6c95f457cadb2cee6e8b25745018d49afcf5579d2b0271d6fb85eddb4a238.exe"

Signatures

Detects Healer an antivirus disabler dropper

Description Indicator Process Target
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Healer

dropper healer

Healer family

healer

Modifies Windows Defender Real-time Protection settings

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dUm86fP.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dUm86fP.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dUm86fP.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dUm86fP.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dUm86fP.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dUm86fP.exe N/A

RedLine

infostealer redline

RedLine payload

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Redline family

redline

Windows security modification

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dUm86fP.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\"" C:\Users\Admin\AppData\Local\Temp\b0c6c95f457cadb2cee6e8b25745018d49afcf5579d2b0271d6fb85eddb4a238.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\"" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nEL65cj13.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\b0c6c95f457cadb2cee6e8b25745018d49afcf5579d2b0271d6fb85eddb4a238.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nEL65cj13.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\euU94rB.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dUm86fP.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dUm86fP.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dUm86fP.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\euU94rB.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b0c6c95f457cadb2cee6e8b25745018d49afcf5579d2b0271d6fb85eddb4a238.exe

"C:\Users\Admin\AppData\Local\Temp\b0c6c95f457cadb2cee6e8b25745018d49afcf5579d2b0271d6fb85eddb4a238.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nEL65cj13.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nEL65cj13.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dUm86fP.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dUm86fP.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\euU94rB.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\euU94rB.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
RU 193.233.20.13:4136 tcp
RU 193.233.20.13:4136 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nEL65cj13.exe

MD5 f00dac822aa23867d841386314eadf95
SHA1 bf3091e9b25a90105c9b5f6d4d4a9229e10d3b9d
SHA256 2d83561ae318060520685a5d20ae449b8992470f0cf159ece6ae194b11b62778
SHA512 f2f4ba0c5c1505c01b006ae3a9591adb7ffa92b9dc6779db1aef74817ec766e534399c0c4b1b5beeb23179004ab4c228d764c89b22706c712d94b6a44946f9a8

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dUm86fP.exe

MD5 7e93bacbbc33e6652e147e7fe07572a0
SHA1 421a7167da01c8da4dc4d5234ca3dd84e319e762
SHA256 850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
SHA512 250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

memory/3652-14-0x00007FFF59913000-0x00007FFF59915000-memory.dmp

memory/3652-15-0x0000000000E00000-0x0000000000E0A000-memory.dmp

memory/3652-16-0x00007FFF59913000-0x00007FFF59915000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\euU94rB.exe

MD5 0504fd8249febabd4ac60ffebf01dfc3
SHA1 e060f994e98a1d39e66559ca51306ee22abe8418
SHA256 13660451a83de8d2fd5b88ad2fe2b4587371dd6f8b3a18c384674bd981373399
SHA512 511d2735c2b4bc27ced5d665ac3076bd2a69b66240ff416d90f3306ce5a4f8447342f6413ca5f4207393c4efc9f330d0a8cb9802325e4a4c17d72dea223de00e

memory/1604-22-0x0000000004C50000-0x0000000004C96000-memory.dmp

memory/1604-23-0x0000000004D30000-0x00000000052D4000-memory.dmp

memory/1604-24-0x0000000004CD0000-0x0000000004D14000-memory.dmp

memory/1604-60-0x0000000004CD0000-0x0000000004D0E000-memory.dmp

memory/1604-62-0x0000000004CD0000-0x0000000004D0E000-memory.dmp

memory/1604-88-0x0000000004CD0000-0x0000000004D0E000-memory.dmp

memory/1604-86-0x0000000004CD0000-0x0000000004D0E000-memory.dmp

memory/1604-84-0x0000000004CD0000-0x0000000004D0E000-memory.dmp

memory/1604-80-0x0000000004CD0000-0x0000000004D0E000-memory.dmp

memory/1604-78-0x0000000004CD0000-0x0000000004D0E000-memory.dmp

memory/1604-76-0x0000000004CD0000-0x0000000004D0E000-memory.dmp

memory/1604-74-0x0000000004CD0000-0x0000000004D0E000-memory.dmp

memory/1604-72-0x0000000004CD0000-0x0000000004D0E000-memory.dmp

memory/1604-70-0x0000000004CD0000-0x0000000004D0E000-memory.dmp

memory/1604-68-0x0000000004CD0000-0x0000000004D0E000-memory.dmp

memory/1604-66-0x0000000004CD0000-0x0000000004D0E000-memory.dmp

memory/1604-64-0x0000000004CD0000-0x0000000004D0E000-memory.dmp

memory/1604-58-0x0000000004CD0000-0x0000000004D0E000-memory.dmp

memory/1604-56-0x0000000004CD0000-0x0000000004D0E000-memory.dmp

memory/1604-54-0x0000000004CD0000-0x0000000004D0E000-memory.dmp

memory/1604-52-0x0000000004CD0000-0x0000000004D0E000-memory.dmp

memory/1604-50-0x0000000004CD0000-0x0000000004D0E000-memory.dmp

memory/1604-48-0x0000000004CD0000-0x0000000004D0E000-memory.dmp

memory/1604-46-0x0000000004CD0000-0x0000000004D0E000-memory.dmp

memory/1604-44-0x0000000004CD0000-0x0000000004D0E000-memory.dmp

memory/1604-42-0x0000000004CD0000-0x0000000004D0E000-memory.dmp

memory/1604-40-0x0000000004CD0000-0x0000000004D0E000-memory.dmp

memory/1604-38-0x0000000004CD0000-0x0000000004D0E000-memory.dmp

memory/1604-34-0x0000000004CD0000-0x0000000004D0E000-memory.dmp

memory/1604-32-0x0000000004CD0000-0x0000000004D0E000-memory.dmp

memory/1604-30-0x0000000004CD0000-0x0000000004D0E000-memory.dmp

memory/1604-82-0x0000000004CD0000-0x0000000004D0E000-memory.dmp

memory/1604-36-0x0000000004CD0000-0x0000000004D0E000-memory.dmp

memory/1604-28-0x0000000004CD0000-0x0000000004D0E000-memory.dmp

memory/1604-26-0x0000000004CD0000-0x0000000004D0E000-memory.dmp

memory/1604-25-0x0000000004CD0000-0x0000000004D0E000-memory.dmp

memory/1604-931-0x0000000005300000-0x0000000005918000-memory.dmp

memory/1604-932-0x00000000059A0000-0x0000000005AAA000-memory.dmp

memory/1604-933-0x0000000005AE0000-0x0000000005AF2000-memory.dmp

memory/1604-934-0x0000000005B00000-0x0000000005B3C000-memory.dmp

memory/1604-935-0x0000000005C50000-0x0000000005C9C000-memory.dmp